Quantification of Porphyromonas gingivalisand fimA genotypes in smoker chronic periodontitis - Teixeira, Silvia Regina Loureiro; Matarazzo, Flávia; Feres, Magda; Figueiredo, Luciene C; Faveri, Marcelo de; Simionato, Maria Regina Lorenzetti; Mayer, Marcia Pinto Alves (Journal of Clinical Periodontology, 2009)